From 91ffcf063731774dd948920ab034a57713180fe7 Mon Sep 17 00:00:00 2001
From: denizk0461 <denizk0461@gmail.com>
Date: Thu, 11 May 2023 15:13:43 +0200
Subject: [PATCH] CanteenFragment.kt now refreshes automatically on initial
 launch

---
 .../weserplaner/fragment/CanteenFragment.kt   | 20 +++++++++++--------
 .../weserplaner/model/SettingsPreferences.kt  |  5 +++++
 .../weserplaner/viewmodel/CanteenViewModel.kt |  7 +++++++
 3 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenFragment.kt b/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenFragment.kt
index 583f195..30fa658 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenFragment.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/fragment/CanteenFragment.kt
@@ -69,14 +69,6 @@ class CanteenFragment : AppFragment() {
             ))
         }
 
-        // Create badge
-//        val badge = BadgeDrawable.create(context)
-////        badge.isVisible = true
-//        badge.number = 1
-//        badge.badgeGravity = BadgeDrawable.TOP_END
-//        // Attach badge to button
-//        BadgeUtils.attachBadgeDrawable(badge, binding.buttonNotifications, binding.buttonNotificationsBadgeContainer)
-
         // Assign a preference value to every button to filter for dietary preferences
         val chipMap = mapOf(
             binding.chipPrefFair to DietaryPreferences.WELFARE,
@@ -195,6 +187,18 @@ class CanteenFragment : AppFragment() {
         binding.swipeRefreshLayout.setOnRefreshListener {
             refresh()
         }
+
+        // Check if the user is opening the canteen fragment for the first time
+        if (!viewModel.preferenceHasOpenedCanteen) {
+            // Show that a refresh is in progress
+            binding.swipeRefreshLayout.isRefreshing = true
+
+            // Refresh to fetch the first items and avoid showing an empty list
+            refresh()
+
+            // Save that the canteen has been opened before
+            viewModel.preferenceHasOpenedCanteen = true
+        }
     }
 
     // Invalidate the view binding
diff --git a/app/src/main/java/com/denizk0461/weserplaner/model/SettingsPreferences.kt b/app/src/main/java/com/denizk0461/weserplaner/model/SettingsPreferences.kt
index 581430c..bead8d2 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/model/SettingsPreferences.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/model/SettingsPreferences.kt
@@ -58,5 +58,10 @@ enum class SettingsPreferences(val key: String) {
      * The canteen the user has picked.
      */
     CANTEEN("setting_canteen"),
+
+    /**
+     * Whether the user has opened the canteen fragment before.
+     */
+    HAS_OPENED_CANTEEN("has_opened_canteen"),
     ;
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenViewModel.kt b/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenViewModel.kt
index b317de3..d612e64 100644
--- a/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenViewModel.kt
+++ b/app/src/main/java/com/denizk0461/weserplaner/viewmodel/CanteenViewModel.kt
@@ -70,4 +70,11 @@ class CanteenViewModel(app: Application) : AppViewModel(app) {
     var preferenceCanteen: Int
         get() = repo.getIntPreference(SettingsPreferences.CANTEEN)
         set(newValue) { repo.setPreference(SettingsPreferences.CANTEEN, newValue) }
+
+    /**
+     * This value determines whether the user has opened the canteen fragment before.
+     */
+    var preferenceHasOpenedCanteen: Boolean
+        get() = repo.getBooleanPreference(SettingsPreferences.HAS_OPENED_CANTEEN)
+        set(newValue) { repo.setPreference(SettingsPreferences.HAS_OPENED_CANTEEN, newValue) }
 }
\ No newline at end of file